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Enhanced coherence of rare-earth nuclear spins in a crystal
Bassam Nima, Yuiki Takahashi, Amar Vutha
Rare-earth ions in crystals are useful in precision measurements and quantum information science because of their exceptional optical and spin coherence properties. We show that th…
Limit on the nuclear Schiff moment of europium-153
Bassam Nima, Mingyu Fan, Xubo Wang +6
The Schiff moment of a nucleus is a symmetry-violating nuclear moment that indicates new physics beyond the Standard Model. We place the limit, Eu)$| < 1.7 \…
Sensing T-violating nuclear moments of paramagnetic ions in crystals
Aleksandar Radak, Mingyu Fan, Bassam Nima +2
Precision measurements of time-reversal (T) symmetry violating moments probe physics beyond the Standard Model. We show that precision spectroscopy of paramagnetic lanthanide and a…
Wideband Search for Axionlike Dark Matter Using Octupolar Nuclei in a Crystal
Mingyu Fan, Bassam Nima, Aleksandar Radak +2
Most of the matter in the Universe is in the form of dark matter, which has evaded detection so far. Ultralight axionlike particles (ALPs) are a class of dark matter candidates tha…
What is a Schiff moment anyway?
Amar Vutha
Schiff moments of atomic nuclei are of considerable interest to experiments searching for undiscovered new physics that breaks time-reversal symmetry. I develop a simple picture of…
Comagnetometry using mirror-symmetric ions in a crystal
Bassam Nima, Mingyu Fan, Aleksandar Radak +2
Searches for physics beyond the Standard Model using spin sensors are susceptible to spurious frequency shifts and noise due to magnetic fields. Therefore a comagnetometer -- an au…